Instability of the ferrofluid layer on a magnetizable substrate in a perpendicular magnetic field
Arthur Zakinyan, Levon Mkrtchyan
TL;DR
This study experimentally investigates how a ferrofluid layer on a magnetizable substrate becomes unstable under a perpendicular magnetic field, measuring critical field strength and instability wave number.
Contribution
It provides new experimental data on the instability thresholds and wave characteristics of ferrofluid layers on magnetizable substrates under perpendicular magnetic fields.
Findings
Critical magnetic field strength for instability identified.
Instability wave number measured and characterized.
Ferrofluid behavior on magnetizable substrates clarified.
Abstract
The paper presents an experimental study of the instability of a magnetic fluid layer of finite thickness covering a magnetizable metal plate exposed to a perpendicular magnetic field. The critical field strength and the instability wave number have been measured.
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Taxonomy
TopicsCharacterization and Applications of Magnetic Nanoparticles · Geomagnetism and Paleomagnetism Studies · Electrohydrodynamics and Fluid Dynamics